成套地下水除铁除锰装置的工艺

,+,,;,,0,,Fe2+Mn2+,,pH710,Fe2+Fe2O3,pH910,Mn2+MnO2,pH910,Mn2+pH910,,,,60,,,,,Fe2+Mn2+,,pH715,,,,,;,,pH,,+,1,,,7,111,,,,,,,,,Fe2+,Mn2+,,:Mn2++O2+2eMnO2+,,8Vol126No1122000©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.22112+;,DOpH;211/mm/m/mm115021401200215021401200315021401200415021401200515021401200615021401200212,,68mg/L,115212mg/L,,DOpH(),DOpH,,,;DOpH,;DOpH22DOpHDO/mg/LpH1147616767124619313451018271202,:(1),103/mL,70%,236,(2),,104/mL,143311,CO2pH,,DOpH,,236,,,,3:(1)62,Vol126No11220009©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.33,Fe2+,DOpH,Fe2+,,DOpH,Fe2+,Fe3+;,DOpH,Fe2+,Fe2+(2)DOpH,DOpH6,pH910,Mn2+,DOpH,Mn2+DOpH(3),,,,DO7124,pH6193,312,,1,345,4747:41536475(1)5,,10Vol126No1122000©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,013mg/L(2)1,,,,,,,,,(3)433,425511,511,011mg/L;43,30%,,612011mg/L,Mn2+,,;Mn2+,,4(1),,+,(2),,,;,,(3),,,(4),;,,,1,..:,19892..,1996,22(11):5103..,1994,20(1):5144,..,1995:1421505,..,1996,22(10):13206JVandenabeele,etal.Influenceofnitrateonmanganeseremovingmicrobialconsortiafromsandfilters.WaterResearch,1995,29(2):579587:150008()624:(0451)4272320150040:2000O7O31,,218,11,2400m3/d310m3/d;1200m3/d;,2105m3,800m3/d;111m3/d()Vol126No112200011©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.WATER&WASTEWATERENGINEERINGVol126No112November2000CONTENTSContradictionandMeasuresinBiologicalNandPRemovalofMunicipalWastewaterTreatmentHuaGuanghuietal(1)Abstract:ThetreatmentparametersinmunicipalwastewatertreatmentplantincludeCOD,BOD5,SS,NandPetc.BiologicalN-Premovalinvolvesinprocessessuchasnitrification,denitrification,phosphorusreleaseanduptake.Theparadoxicalrelationshipsareinevitablyproducedinthesametreatmentsystembecauseofthedifferentrequirementsofdifferenttreatmentprocesses.Thispaperanalyzedtheproblemsofsludgeage,carbonsources,nitrate,capacityofnitrificationanddenitrification,capacityofphosphorusreleaseanduptake.Suchanalysisisconducivetoimprovetheunderstandingofparadoxicalrelationshipsinbiologicalphosphorusandnitrogenremovalprocess.BriefontheGeneralUrbanWaterEnvironmentPlanningLiXiaojuan(4)Abstract:TheGeneralUrbanWaterEnvironmentPlanningofTaiyuancityisoneofsub2itemsfortheWanjiazhaiYellowRiverWaterDivertingProjectfundedbytheWorldBankloan.ThewaterenvironmentplanningwillbeaccomplishedbyCDMInternationalInc,jointlywithChinesespecialists.InthispaperthecontentsandthemethodtocompiletheplanningarepresentedandthediscriminationsbetweentheinternationalandChineseplanningdealingsarecompared.ExperimentonBiologicalFeandMnRemovalfromUndergroundWaterXueGangetal(8)Abstract:Aprocessofsimpleaeration+primarybiologicaltreatmentbasedontheMnremovalcapacityofferro2bacteriahasbeenproposed.ItcanremovebothFeandMnsimultaneouslyfromundergroundwaterwithhighMnandFecontentandcanenhancetheformationofthestableMn2removalabilityofthefiltrationlayer.Theinfluencefactorstotheconcernedprocessarediscussed.Theexperimentresultshasshownthatthisisaneconomicalfiltratingunitopera2tionwithhighaerationefficiencytoremoveFeandMn.StudyontheEffectofSulfateReductiononAnaerobicDigestionJiBinhongetal(12)Abstract:Theartificestoovercometheeffectofsulfatereductioninanaerobicdigestionwereexaminedinabatchanaerobicreactortreatingorganicwastewaterwithhighsulfatecontent.TheinfluencesofsomefactorssuchastheratioofCOD/SO42-andSO42-contentinrawwastewater,theFe()dosageandtheadaptationofsludgeculturewereobserved.Finallyitwasconcludedthattheeffectofsulfatereductioncouldbeovercameunderthreeways:anaerobicsludgeadaptationtomethanebacteriadominated,COD/SO42-ratiowillbegreaterthan21andappropriateconcentrationofSO42-ininflowwastewater(intheauthorsexperienceitwaslowerthan4000mg/L).CoagulationResearchofRawWaterAbstractedfromXijiangRiverHuangShaobinetal(16)Abstract:CoagulationsofdifferentcoagulantsareresearchedfortherawwaterabstractedfromXijiangRiverinGuangdongProvinceattemptingtooptimizetheapplicationofcoagulantagentsandtoenhancethecoagulationprocess,soastoreducetheexpensesofcoagulationoperationandtoimprovethequalityoftheoutputwater.PilotPlantResearchonAdvancedTreatmentofPollutedRawWaterYeHuietal(18)Abstract:Apilotplantresearchofozone2activatedcarbonprocess(O32BAC)wasconductedforadvancedtreatmentofpollutedrawwaterofHuangpuRiver.Theresultsshowthattheremovalabilityfororganicsubstancesofthisprocesscouldconserveconsistentlyforalongtime,themeanremovalratiosof27.5%,34.7%,and57%wereobtainedforCODMn,TOCandUV254respectively.AlsothelevelsofMncontentandcoloritydecreasedandthereactionofAmestestbecomefrompositivetonegative.Thequalityandsafetyofthedrinkingwaterwereimprovedevidentlythroughtheadvancedtreatmentofozone2activatedcarbonprocess.BsiefontheComprehensiveSewerageDesignPlanoftheUpperSectionofChaoyangxiRiverinNanningCity,GuangxiProvinceHuangZiqinetal(23)Abstract:OnthebasisofplanningcomparisononthecomprehensiveseweragedesignoftheuppersectionofChaoyangxiRiverinNanningCity,GuangxiProvince,areasonableplanofcombinedsystembasedonundergrounddrainageconduitwithsidecanalcollectorhasbeenformulated.Thissystemiseasytomanageandcanenhan